X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/6a05d05fafe43d1546cef84b004372b784d3792f..937640a621a4ce2e5e56eaecca37a2a28a584318:/lisp/term/xterm.el diff --git a/lisp/term/xterm.el b/lisp/term/xterm.el index 6f0f779df4..234280a3c3 100644 --- a/lisp/term/xterm.el +++ b/lisp/term/xterm.el @@ -1,6 +1,6 @@ -;;; xterm.el --- define function key sequences for xterm +;;; xterm.el --- define function key sequences and standard colors for xterm -;; Copyright (C) 1995 Free Software Foundation, Inc. +;; Copyright (C) 1995, 2002, 2004 Free Software Foundation, Inc. ;; Author: FSF ;; Keywords: terminals @@ -26,26 +26,225 @@ ;;; Code: -(define-key function-key-map "\e[A" [up]) -(define-key function-key-map "\e[B" [down]) -(define-key function-key-map "\e[C" [right]) -(define-key function-key-map "\e[D" [left]) -(define-key function-key-map "\e[2~" [insert]) -(define-key function-key-map "\e[4~" [select]) -(define-key function-key-map "\e[5~" [prior]) -(define-key function-key-map "\e[6~" [next]) -(define-key function-key-map "\e[11~" [f1]) -(define-key function-key-map "\e[12~" [f2]) -(define-key function-key-map "\e[13~" [f3]) -(define-key function-key-map "\e[14~" [f4]) -(define-key function-key-map "\e[15~" [f5]) -(define-key function-key-map "\e[17~" [f6]) -(define-key function-key-map "\e[18~" [f7]) -(define-key function-key-map "\e[19~" [f8]) -(define-key function-key-map "\e[20~" [f9]) -(define-key function-key-map "\e[21~" [f10]) -(define-key function-key-map "\e[23~" [f11]) -(define-key function-key-map "\e[24~" [f12]) -(define-key function-key-map "\e[29~" [print]) +(let ((map (make-sparse-keymap))) + (define-key map "\e[A" [up]) + (define-key map "\e[B" [down]) + (define-key map "\e[C" [right]) + (define-key map "\e[D" [left]) + (define-key map "\e[1~" [home]) + (define-key map "\e[2~" [insert]) + (define-key map "\e[3~" [delete]) + (define-key map "\e[4~" [select]) + (define-key map "\e[5~" [prior]) + (define-key map "\e[6~" [next]) + (define-key map "\e[11~" [f1]) + (define-key map "\e[12~" [f2]) + (define-key map "\e[13~" [f3]) + (define-key map "\e[14~" [f4]) + (define-key map "\e[15~" [f5]) + (define-key map "\e[17~" [f6]) + (define-key map "\e[18~" [f7]) + (define-key map "\e[19~" [f8]) + (define-key map "\e[20~" [f9]) + (define-key map "\e[21~" [f10]) + (define-key map "\e[23~" [f11]) + (define-key map "\e[24~" [f12]) + (define-key map "\e[29~" [print]) + (define-key map "\e[1;2A" [S-up]) + (define-key map "\e[1;2B" [S-down]) + (define-key map "\e[1;2C" [S-right]) + (define-key map "\e[1;2D" [S-left]) + + (define-key map "\e[1;5A" [C-up]) + (define-key map "\e[1;5B" [C-down]) + (define-key map "\e[1;5C" [C-right]) + (define-key map "\e[1;5D" [C-left]) + + (define-key map "\e[2;2~" [S-insert]) + (define-key map "\e[3;2~" [S-delete]) + (define-key map "\e[5;2~" [S-prior]) + (define-key map "\e[6;2~" [S-next]) + + (define-key map "\e[2;5~" [C-insert]) + (define-key map "\e[3;5~" [C-delete]) + (define-key map "\e[5;5~" [C-prior]) + (define-key map "\e[6;5~" [C-next]) + + (define-key map "\eOA" [up]) + (define-key map "\eOB" [down]) + (define-key map "\eOC" [right]) + (define-key map "\eOD" [left]) + (define-key map "\eOF" [end]) + (define-key map "\eOH" [home]) + + (define-key map "\eO2A" [S-up]) + (define-key map "\eO2B" [S-down]) + (define-key map "\eO2C" [S-right]) + (define-key map "\eO2D" [S-left]) + (define-key map "\eO2F" [S-end]) + (define-key map "\eO2H" [S-home]) + + (define-key map "\eO5A" [C-up]) + (define-key map "\eO5B" [C-down]) + (define-key map "\eO5C" [C-right]) + (define-key map "\eO5D" [C-left]) + (define-key map "\eO5F" [C-end]) + (define-key map "\eO5H" [C-home]) + + ;; Use inheritance to let the main keymap override those defaults. + ;; This way we don't override terminfo-derived settings or settings + ;; made in the .emacs file. + (set-keymap-parent map (keymap-parent function-key-map)) + (set-keymap-parent function-key-map map)) + +;; Set up colors, for those versions of xterm that support it. +(defvar xterm-standard-colors + ;; The names in the comments taken from XTerm-col.ad in the xterm + ;; distribution, see ftp://dickey.his.com/xterm/. RGB values are + ;; from rgb.txt. + '(("black" 0 ( 0 0 0)) ; black + ("red" 1 (205 0 0)) ; red3 + ("green" 2 ( 0 205 0)) ; green3 + ("yellow" 3 (205 205 0)) ; yellow3 + ("blue" 4 ( 0 0 205)) ; blue3 + ("magenta" 5 (205 0 205)) ; magenta3 + ("cyan" 6 ( 0 205 205)) ; cyan3 + ("white" 7 (229 229 229)) ; gray90 + ("brightblack" 8 ( 77 77 77)) ; gray30 + ("brightred" 9 (255 0 0)) ; red + ("brightgreen" 10 ( 0 255 0)) ; green + ("brightyellow" 11 (255 255 0)) ; yellow + ("brightblue" 12 ( 0 0 255)) ; blue + ("brightmagenta" 13 (255 0 255)) ; magenta + ("brightcyan" 14 ( 0 255 255)) ; cyan + ("brightwhite" 15 (255 255 255))) ; white + "Names of 16 standard xterm/aixterm colors, their numbers, and RGB values.") + +(defun xterm-rgb-convert-to-16bit (prim) + "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." + (min 65535 (round (* (/ prim 255.0) 65535.0)))) + +(defun xterm-register-default-colors () + "Register the default set of colors for xterm or compatible emulator. + +This function registers the number of colors returned by `display-color-cells' +for the currently selected frame. The first 16 colors are taken from +`xterm-standard-colors', which see, while the rest are computed assuming +either the 88- or 256-color standard color scheme supported by latest +versions of xterm." + (let* ((ncolors (display-color-cells)) + (colors xterm-standard-colors) + (color (car colors))) + (if (> ncolors 0) + ;; Clear the 8 default tty colors registered by startup.el + (tty-color-clear)) + ;; Only register as many colors as are supported by the display. + (while (and (> ncolors 0) colors) + (tty-color-define (car color) (cadr color) + (mapcar 'xterm-rgb-convert-to-16bit + (car (cddr color)))) + (setq colors (cdr colors) + color (car colors) + ncolors (1- ncolors))) + ;; We've exhausted the colors from `xterm-standard-colors'. If there + ;; are more colors to support, compute them now. + (when (> ncolors 0) + (cond + ((= ncolors 240) ; 256-color xterm + ;; 216 non-gray colors first + (let ((r 0) (g 0) (b 0)) + (while (> ncolors 24) + ;; This and other formulae taken from 256colres.pl and + ;; 88colres.pl in the xterm distribution. + (tty-color-define (format "color-%d" (- 256 ncolors)) + (- 256 ncolors) + (mapcar 'xterm-rgb-convert-to-16bit + (list (round (* r 42.5)) + (round (* g 42.5)) + (round (* b 42.5))))) + (setq b (1+ b)) + (if (> b 5) + (setq g (1+ g) + b 0)) + (if (> g 5) + (setq r (1+ r) + g 0)) + (setq ncolors (1- ncolors)))) + ;; Now the 24 gray colors + (while (> ncolors 0) + (setq color (xterm-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10)))) + (tty-color-define (format "color-%d" (- 256 ncolors)) + (- 256 ncolors) + (list color color color)) + (setq ncolors (1- ncolors)))) + ((= ncolors 72) ; 88-color xterm + ;; 64 non-gray colors + (let ((levels '(0 139 205 255)) + (r 0) (g 0) (b 0)) + (while (> ncolors 8) + (tty-color-define (format "color-%d" (- 88 ncolors)) + (- 88 ncolors) + (mapcar 'xterm-rgb-convert-to-16bit + (list (nth r levels) + (nth g levels) + (nth b levels)))) + (setq b (1+ b)) + (if (> b 3) + (setq g (1+ g) + b 0)) + (if (> g 3) + (setq r (1+ r) + g 0)) + (setq ncolors (1- ncolors)))) + ;; Now the 8 gray colors + (while (> ncolors 0) + (setq color (xterm-rgb-convert-to-16bit + (round + (if (= ncolors 8) + 46.36363636 + (+ (* (- 8 ncolors) 23.18181818) 69.54545454))))) + (tty-color-define (format "color-%d" (- 88 ncolors)) + (- 88 ncolors) + (list color color color)) + (setq ncolors (1- ncolors)))) + (t (error "Unsupported number of xterm colors (%d)" (+ 16 ncolors))))) + ;; Modifying color mappings means realized faces don't use the + ;; right colors, so clear them. + (clear-face-cache))) + +;; rxvt puts the default colors into an environment variable +;; COLORFGBG. We use this to set the background mode in a more +;; intelligent way than the default guesswork in startup.el. +(defun xterm-rxvt-set-background-mode () + "Set background mode as appropriate for the default rxvt colors." + (let ((fgbg (getenv "COLORFGBG")) + bg rgb) + (setq frame-background-mode 'light) ; default + (when (and fgbg + (string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg)) + (setq bg (string-to-number (substring fgbg (match-beginning 1)))) + ;; The next line assumes that xterm-standard-colors are ordered + ;; by the color index in the ascending order! + (setq rgb (car (cddr (nth bg xterm-standard-colors)))) + ;; See the commentary in frame-set-background-mode about the + ;; computation below. + (if (< (apply '+ rgb) + ;; The following line assumes that white is the 15th + ;; color in xterm-standard-colors. + (* (apply '+ (car (cddr (nth 15 xterm-standard-colors)))) 0.6)) + (setq frame-background-mode 'dark))) + (frame-set-background-mode (selected-frame)))) + +;; Do it! +(xterm-register-default-colors) +;; If this xterm is actually a disguised rxvt, be more intelligent about +;; determining the background mode. +(and (getenv "COLORTERM") + (string-match "\\`rxvt" (getenv "COLORTERM")) + (xterm-rxvt-set-background-mode)) +;; This recomputes all the default faces given the colors we've just set up. +(tty-set-up-initial-frame-faces) + +;; arch-tag: 12e7ebdd-1e6c-4b25-b0f9-35ace25e855a ;;; xterm.el ends here